PERIODIC TABLE SOMETHING Flashcards
based on CHEMICAL PROPERTIES
DIMITRI MENDELEEV
based on PHYSICAL PROPERTIES
Lothar Meyer
the OLD periodic table is arranged by ____
ATOMIC WEIGHT
the NEW periodic table is arranged by
ATOMIC NUMBER
“The properties of elements are periodic functions of their atomic numbers”
PERIODIC LAW
TRIVIAL NAME:
group 13
TRIELS
TRIVIAL NAME:
group 14
TETRELS
TRIVIAL NAME:
group 15
PNICTOGENS “to choke”
TRIVIAL NAME:
group 16
CHALCOGENS “ore”
TRIVIAL NAME:
group 17
HALOGENS “salt”
TRIVIAL NAME:
group 18
NOBLE GASES
PNICTOGENS
to choke
CHALCOGENS
ore
HALOGENS
salt
can be drawn into wires
ductile / ductility
good conductor
metals
malleable
metals
can be hammered into SHEETS
malleable / malleability
poor conductor
non metals
elemtal form of carbon
graphite
semiconductors
silicon, germanium, antimony
semiconductors are ____ at LOWER temperature
INSULATORS
semiconductors are _____ at HIGHER temperatures
CONDUCTORS
defined as HALF OF THE DISTANCE between the NUCLEI of neighboring atoms in the pure element
ATOMIC RADII (size)